KR20030054741A - An apparatus for preventing billet jamming provided with swing stop arm of a billet transfer - Google Patents

Abstract

PURPOSE: A material holding preventive apparatus for a billet transfer system with a swing stop arm is provided to improve the productivity by preventing the billet material from being fitted to the transfer system with turning the swing stop arm. CONSTITUTION: A billet transfer system(101) transports billet materials(100) to a grinder table(107) by an unloading arm(102). A material holding preventive device(1) comprises a driving unit generating driving force from a driving motor(11), a motor support unit transmitting driving force from the driving motor to a rotating arm unit, and the rotating arm unit installed close to the end of the unloading arm around a rotating shaft(51) arranged parallel with billet materials. Working efficiency is improved by restricting holding of the billet material with turning the swing stop arm.

Description

An apparatus for preventing billet jamming provided with swing stop arm of a billet transfer}

The present invention relates to a device for preventing jamming of billet transfer, and more particularly, shortening of the surface of billet for billet production after pinching of billet material on billet transfer for transporting billet during transfer for surface polishing. The present invention relates to a billet transfer device of the billet transfer having a swing stop arm to prevent the transfer of billet material smoothly.

In general, billet materials manufactured in steel mills are mainly classified into standard diagonal materials with thick cross sections and short lengths and small diagonal materials with small cross sections and long lengths. These diagonal materials are conveyed by V-shaped rollers. They are integrated on the billet transfer and then transported one by one to the grinder table and then polish the defects on the surface.

However, according to the billet transfer thus far, as shown in FIGS. 1A and 1B, the unloading arm 102 for transferring the standard diagonal billet material 100 and the small diagonal billet material 200 is a small diagonal material 200. When carrying two, as shown in Figure 1b when lifting two at a time, the material 201 slightly spreading on the outside can be erected as a lozenge as shown by the hidden line, so in this state the end proximity switch shown in Figure 2 When approaching 103, it may occur that the lozenge erected by the switch 103 is not detected.

If the proximity of the material 201 is not detected as described above, the material 201 continues to move by the moving beam 105, and eventually the material 201 is jammed between the materials 201, thereby additionally performing the upper crane work. Since the operation stop state is long, the production volume is reduced, there is a problem that the overall productivity is reduced, such as a delay in delivery process for the post-process and demand.

Accordingly, the present invention has been proposed to solve the above problems of the conventional billet transfer material jamming device, swinging on the fixed beam on the transfer to minimize the jamming of the billet material carried by the billet transfer. The purpose of the present invention is to prevent the occurrence of obstacles such as stopping work due to pinching between materials by maintaining a certain gap between the billet material and the stop arm by installing a material pinching prevention device having a stop arm.

1 is a view showing a state in which billet material is moved by a conventional unloading arm, Figure 1a is a state for transferring a standard diagonal material, Figure 1b is a schematic diagram showing a state for transferring a small diagonal material, respectively.

Figure 2 is a perspective view of a billet transfer equipped with a material pinching prevention device according to the present invention.

3 is an exploded perspective view of the material pinching prevention device shown in FIG.

4 is a side view of the unloading arm operating portion shown in FIG. 2;

Figures 5a and 5b is a schematic side view showing the motion of the swing stop arm and the standard diagonal material of the present invention.

Figures 6a and 6b is a schematic side view showing the state of motion of the swing stop arm and the small diagonal material of the present invention.

* Explanation of Signs of Major Parts of Drawings *

1: material pinch prevention device 10: drive unit

11: drive motor 14: drive gear

30: electric support portion 31: rotary support

32: intermediate support 35: driven gear

50: rotating arm portion 51: rotating shaft

53: swing stop arm 55,56: liner

57: sensing piece 59, 61, 63: proximity sensor

100: standard diagonal billet material 200: small diagonal billet material

101: billet transfer 102: unloading arm

103: proximity switch

In order to achieve the above object, the present invention provides a billet transfer for transporting a billet material to a grinder table by an unloading arm, the drive unit for generating a rotational drive force from the drive motor, the rotational drive force from the drive motor to rotate Billet transfer having a swing stop arm comprising an electric support to be transferred to the arm and a rotation arm that is formed adjacent to the leading end of the unloading arm around the axis of rotation arranged parallel to the billet material. Provides a material jam prevention device.

Hereinafter, a material pinching prevention device of a billet transfer having a swing stop arm according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In the material pinching prevention device of the present invention to transfer the billet material (100,200) transferred from the billet transfer 101 to the grinder table (107) by the unloading arm 102 as shown in FIG. It is installed in parallel with the billet material (100,200) on the distal end of the unloading arm (102) in order to prevent the jamming between the billets, drive unit 10, the electric support 30 and large It consists of a rotating arm part 50.

Here, the drive unit 10 is the outer circumferential surface of the reduction shaft drive motor 11 serving as a drive source and the rotary shaft 13 directly connected to the motor shaft 12 of the drive motor 11, as shown in Figs. It consists of a drive gear 14 and a pair of bearings 15 for supporting the rotary shaft 13, the rotary shaft 13 is connected to the motor shaft 12 by a coupling 17.

An electric support 30 connected to the driving unit 10 through the rotation support 31 also supports the rotation shaft 51 of the swing stop arm 53 rotatably at both ends as shown in FIGS. 2 and 3. Bearings 33 and 34 rotatably supporting the rotary shaft 51 on the intermediate support 32 and the rotary support 31 and the intermediate support 32, respectively, between the rotary support 31 and the rotary shaft 51. And a driven gear 35 mounted to an outer circumferential surface of one end of the rotating shaft 51 supported by the rotating support 31 to be engaged with the driving gear 14 to transmit the rotational driving force of the driving motor 11 to the rotating shaft 51. Consists of

Here, the rotary support 31 is composed of two stages so that the bearing 15 of the rotary shaft 13 can be installed at the lower end, and the bearing 33 of the rotary shaft 51 at the upper end, respectively, and the bearing 33 The driven gear 35 is located in between. In addition, the bearing 34 supporting the rotating shaft 51 on the intermediate support 32 is fixed to the upper surface of the support 32 by the top cover 37 as shown in FIG.

The rotating arm portion 50 rotatably supported by the electric support portion 30 in a state parallel to the billet material 100 at the boundary portion between the billet transfer 101 and the grinder table 107 is supported by a support 31. Rotating shaft 51 which is rotatably supported by bearings 33 and 34 of 32 and arranged side by side with billet material 100 and swing stop arm 53 mounted at an arbitrary position on the outer circumferential surface of this rotating shaft 51. Here, the rotating shaft 51 is mounted to the driven gear 35 of the transmission unit 30 at one end that is rotatably supported by the rotary support 31 as shown in FIG. The intermediate support 32 is supported at any position on the circumferential surface. In addition, a sensing piece 57 protrudes in a radial direction on the outer circumferential surface of the rotation shaft 51 positioned on the intermediate support 32 to detect the rotation of the rotation shaft 51. In this case, the sensing piece 57 may protrude on the outer circumferential surface of the rotation shaft 51 in any position corresponding to the proximity sensors 59, 61, and 63.

In this manner, a plurality of stop arms 53 are mounted on the outer circumferential surface of the rotating shaft 51 rotatably installed at the tip of the unloading arm 102 of the billet transfer 101, each stop arm 53 having a cylindrical shape. At least one liner 55, 56 is bolted so as to project radially of the swing stop arm 53 with a constant angular spacing, such as a 90 ° spacing, as shown in FIG. 3. At this time, the liners 55 and 56 may be two kinds of thin ones (55) and thick ones (56) depending on whether the billet to be transported is a standard diagonal material 100 or a small diagonal material 200. The thickness of the liner mounted on the stop arm 53 may vary according to the cross-sectional size of the billet material.

Accordingly, when the type of billet carried by the billet transfer 101 is limited to two types of the standard type 100 and the small size 200, as shown in FIGS. 5A, B and 6A, B, the liner is also thin (55). ) And a thick one (56) is limited to two types, as shown in the thin one 55 may be mounted on the side of the rotary shaft 51, the thick one 56 may be mounted on the upper surface of the rotary shaft 51 At this time, according to the size of the billet material (100,200) used by changing the installation angle of the rotating shaft 51, as shown in Figures 5a, b and 6a, b to change the positional relationship of the first liner (55,56) It may be.

In addition, a plurality of proximity sensors 59 are shown on the left and right and lower sides of the rotation shaft 51 where the sensing piece 57 is located so as to detect the change in the installation angle of the rotation shaft 51 as described above. , 61, 63 are installed, each sensor may be mounted directly or through the support 65 along the inner surface of the intermediate support 32 as shown, but the sensing piece 57 is protruded by another structure The rotating shaft 51 may be installed at any position.

Now, the operation of the material jam prevention device of the billet transfer with a swing stop arm according to the embodiment of the present invention configured as described above are as follows.

As shown in FIG. 2, when the jamming occurs between the standard diagonal material 100 and the small diagonal material 200 on the transfer 101, the swing stop arm 53 is operated by the selection switch of the controller according to the material. When jamming occurs in the standard diagonal material 100, the controller supplies power to the driving motor 11 of the driving unit 10, and rotates the rotary shaft 51 of the arm rotating unit 50 through the transmission unit 30. . Accordingly, when the swing stop arm 53 rotates 90 ° clockwise in the state shown in FIG. 5A, the rotating shaft 51 rotates in the state shown in FIG. 5B, and the sensing piece 57 is moved by the proximity sensor 59. At the same time, a gap c is generated between the standard diagonal material 100 and the swing stop arm 53.

Then, when the lower lifting cylinder 109 of the unloading arm 102 is operated to raise the frame 111 as shown in FIG. 4, the billet material 100 is moved from the rear downward position D to the rear upward position ( A), the unloading arm 102 is moved along the guide roller 115 by the internal forward and backward cylinder 113 to the front upward position (B) to the grinder table 107, At this time, the unloading arm 102 is lowered by the lifting cylinder 109 to move to the charge direction position C, and then is returned to the original rear downward position D by the forward and backward cylinder 113.

In this way, if the workpiece 100 is transported over the table 107 while the unloading arm 102 draws one cycle, the restraining motor 11 is reversed to return the swing stop arm 53 to its original position, and then the moving beam 105 ) Is moved again to move the next material 100 on the transfer 101 until it is detected by the end proximity switch 103 to complete the next material transfer preparation.

On the other hand, when the work is switched to the transport operation of the small diagonal material 200, the swing stop arm 53 is rotated counterclockwise so as to be in the state shown in FIG. 6A from the state shown in FIG. The sensing piece 57 is detected by the proximity sensor 61. In this state, if the jamming occurs between the workpieces 200, the drive motor 11 is operated to rotate the swing stop arm 53 90 degrees clockwise as shown in FIG. 6B, and at this time, the sensing piece 57 At the same time detected by the proximity sensor 63, a gap c 'is generated between the small diagonal material 200 and the stop arm 53, and the unloading arm 102 as in the case of the standard diagonal material 100 above. This works. Subsequently, when the driving motor 11 is reversely rotated and the sensing piece 57 returns to the position facing the proximity sensor 61, the preparation of the transfer of the next material is completed, and the work continues.

As described above, according to the billet transfer device of the billet transfer provided with a swing stop arm according to the present invention, even if the billet material is jammed between the billet material on the billet transfer by rotating the swing stop arm and the gap between the billet material and the swing stop arm It is possible to immediately eliminate the jamming of the material by generating a.

Therefore, since it is not necessary to perform a separate crane operation, etc. to eliminate the jamming can improve the work efficiency of the transfer it is possible to prevent the delay of the delivery process for post-process and demand.

Claims (2)

In the billet transfer 101 which is adapted to convey the billet material 100, 200 to the grinder table 107 by the unloading arm 102, Drive unit 10 for generating a rotational driving force from the drive motor 11, Electric support portion 30 for transmitting the rotational driving force from the drive motor 11 to the rotary arm portion 50, A material pinching prevention device (1) composed of the rotating arm portion (50) installed adjacent to the distal end portion of the unloading arm (102) around the rotating shaft (51) arranged in parallel with the billet material (100,200) A billet transfer device for a billet transfer provided with a swing stop arm, characterized in that it comprises a. According to claim 1, The rotary arm portion 50 is the rotary shaft 51 rotatably supported by the rotational driving force transmitted from the drive unit 10 through the electric support 30, A plurality of stop arms 53 inserted and installed at arbitrary positions on the outer circumferential surface of the rotary shaft 51; One or more liners 55 and 56 mounted on the outer circumferential surface of the stop arm 53 so as to protrude radially; And one or more proximity sensors (59, 61, 63) arranged around the rotary shaft (51) to sense the approach of the sensing piece (57) protruding radially from the rotary shaft (51). Material pinch prevention device of billet transfer with swing stop arm.